Film holder



May 31, 1932 w. Q. HUEBNER 1,860,389

FILM HOLDER Filed 0MBu ll, 1950 Patented May C, zum or emesso, umore :im: ,norman Appllcatiepniled :Octoberlli 1881).'y Serial llo. 488,012.'

This invention relates to.iniprovements inv lnihclders. v

In the atiot photo composing) or .photo-` graphic Pl'tinrthe 'use .o iiexl leilms m lieu* off glass, is constantlyicreasin x.. Ink

certain classesof work, articularly abels,

pose endend the like, t, e sizeof the `aub-l.

jects to be printedontojthe pressplates, is

relativel e small with aconsequent increase .in

10 thenum rcfholdersrequiredhforthe dif.-

` ferent vfilms used' for composing on'v a large. e

press-plate, ifthe 'w'oijlr is tofb'edone in t most expeditiousjand 'economical manner,

One object of my"invention, therefore, 1s

'15 to provideian efficient; ligxllit antlll'i .Saw cefo. .1,

expensive holder for yfi 4 0 especially't adapted for `use' in phbtoglfaphic printin Inachln'esj,or photou composers'.r

Anot 'er objectof my invention is to provide a film holder 'of the4 ty indicated, having simple" means for Ae l ectingjlocalized stretching of theivlm. and maintaining the film in its `roper stretched and registered position wit reference to the holder. f

A stillfurther ob'ect of the invention is to provide'a film hol er of the type indicated wherein are empiloyed a` plurality of attaching land stretc ing blocks, "preferably of wood, which blocks may be manufactured l in quantity at small 4expense and readily renewed or replaced.

Other objects of the invention will more clearly appear from the. description and claims'hereina-fter following.

In lthe drawings forming a'V part of this specification, Figure 1 is a top plan view of a ilmholder having my improvements incorporated therein, part being shown in Section to illustrate certain details of construction. Figure 2is an end elevation -of the :holder shown in Figure 1. And Figure 3 is an enlargedl vertical, sectional view corresponding to ythe lsection line3`3 of Figure 1.`

In said drawings, the holder is shown as comprising a main frame'A; a plurality of attaching blocks -z-B; carriers C-C for the respective blocks; .l and adjusting screws D-j-D for the blocks. The holder A is preferably of open rectangular. formation and may be made of wood orA other suitable material and'of any desired size, it' being understood that the same will be built of substantial construction 'so as to always Vretain its rigidity. Along the inside edges of the frame A is secureda metal strip 10 of U-section, asbest shown in Figure 3,

lsaidy strip, 10 having a lower flange 11, vertically extending web l2 and top horizontal yflangel extended outwardly or away from the center opening of the frame,said ilange 13 being spaced an appreciable distance above the upper surface of the frame A proper for the purpose hereinafter described. Said strip 10 may be secured to the frame A proper by any suitable means such as the tacks or other fastening devices 14. Inasmuch as the holder is to be used on a photo composing or photographic printing machine, the same must necessarily occupy a 4 predetermined registered position and loca 70 tion thereon and must also be adapted for registering the film E thereon when 1n a registering device. For this purpose, the frame A is provided with means cooperable with corresponding registerin means of the re f istering device and mac ine proper which, in the instance shown, comprises twov discs 15-15 on the underside of theframe A and secured thereto, each'of said discs having a dowel hole 16-16 adapted to fitand register with-corresponding dowel pins of a registering device or support on the composing machine proper. As will be understood by those' skilled in the art, the dowel holes 16 are accurately locatedand positioned so as to in'- sureproper registry of the subject on the film.

' On each of the sides of the frameA are va plural-ity of carriers C, there being three on each of the long sides and two on each of the short sides, as shown in the drawings,

`although the number may be varied to suit different conditions and sizes of holders.

I ria for receivingl Each of said carriers C, as best shown in Figure 3, preferably com rises a metal plate having a lower horizonte fiange 17, vertical web 18 and top fian e 19, the latter terminating at its inner e ge in a downturned li 20 for the purpose hereinafter describe The carriers are adjustable toward and from the openin of the frame A by any suitable means, suc .y as the bolt screws D, ,reach of which 'has ras'w.iveledconnection its res ective 'carrier and the threaded shank t ereof cooperable with a threaded' plate 21 secured fiush withiny the side edge.- ofv the frame A, as shown best by the sectional viewl in Figure 1. By this arrangement, it is evident that not only is the carrier adjustable lineally toward and from the opening ofthe frame butalso that the carrier is adapted to have a certain amount of angular movement relative to theframe AAbecause of its looseswiveled connectionwith the screw bolt D. .A In thisunianner, thecarrier is given the desired lineal y,and pivotal movement essen- ;tial yfor stretching he. film in iajvery simple `and cheap manner. Y y

Each of the attaching blocks B is prefermade of wood vor other suitable matetacks or staples, such. as

abl

indicated at 22, r securing the edge of the A vfilm Ethereto.V Each block B is furtherof such vertical dimension that it is slidably guided and confined `between the frarxiell ro rn and-the flange 13 of the strip 10. g'o cilitate its removable attachment to its carrier, each block B will have a longitudinally extending groove 23 therein to receive, endwise,the corresponding lip 20'of the carrier. In this manner, the block is movable inwardly and outwardly` to correspond with the inward and outward movements of the carrier. To prevent accidental relative longitudinal shift between each carrier and its respectivefblock, the latter maybe temporaril held by a suitable tack or other fastenin evice 24, as indicated in Figure 3.

Vith theconstruction shown, it will be seen that the film E lies on top of the flange 13 and that the securing staples or other fastening devices are below the surface of the vfilm and that there is no projecting Epart so struction, a large number of them 'may shown, said blocks may be made by first forming a long strip of the wood with the proper cross section and groove 23 therein and thereafter cutting the strip to the desired lengths of the blocks, thus providing a very economical replaceable attachin block." i

The film holder herein fore described may be madel very light so as to facilitate handlng and, because of its relatively inexpensive conused economically in an plant so that a large number of individual lms may be attached to the holders and thus expedite theregistering of the films on the holders and the use of the holders in the photo composing machine. Y

The film vholder herein disclosed has been describedf with particular reference for use with photo composers or photographic printing machines wherein ressure, generally af vacuum, is maintained tween the film and the photographic print receiving surface during exposure, but I am aware that the film may be employed in other `,types of machines for making press plates wherein neither light nor pressure is employled in reproducing the sllibject image from t e film onto the press ate.v Although I have herein shown and described what I vnow consider the preferred manner of carrying out my invention, the same is merely illustrative and I contem-l plate all changes'and modifications that come within the scope of the claims appended hereto.

I claim:

v1.1111 a film holder, the combination' with an open frame; of a plurality of film attaching blocks mounted on said frame on the sev- -eral sides .thereof j and means for individually adjusting said blocks on the frame'toward andv from the opening.

2. In aY film holder, the combinationv with l an' openframe; of a lurality of film attaching blocks of materia adapted to receiveand retain fastening devices, said blocks being adjustably mounted on the frame; and means for individuallyadjustin said blocks on the framel toward and kfrom't e opening thereof.`

3. In a film holder, the combination with an open frame; of a plurality of carriers ca rried on said frame; means for individuallyy adjusting the carriers ltoward and from the opening ofthe frame; and-"film attaching blocks removablyl secured'to* the respective carriers. f y j 4. In a 'film "holder, the"comblination with n the several si an open frame having register means thereon cooperable with corresponding registering means of a registering device; o a plurality o film attaching blocks mounted on said frame around the sides thereof; and means for individually adjusting said blocks on the frame.

5. In a film holder, the combination with an open frame; of a plurality of lm attaching blocks carried-by said frame; and means for individually lineally adjusting said blocks on the frame, said means providing also for relative angular movement between the blocks and the frame.

6. In a film holder, the combination with an open rectangular frame; of a plurality of film attachin blocks movably mounted on des of said frame, each of said blocks being adapted to receive a temporary film securing device; and screw adjusting means cooperably associated with each of said blocks and the frame for effecting adjustment of the blocks toward and from the opening of the frame.

7. In a film holder, the combination with an open rectangular frame; of a `plurality of film attachingk blocks movably mounted on the several sides of said frame, each of said blocks being adapted to receive a temporary film securing device; and screw adjusting means cooperably associated with each of said blocks and the frame for effecting adjustment of the blocks toward and from the opening of the frame, said means including a loose swiveled connection permitting angular movement of each block with respect to the frame.

8. In a film holder, the combination with an open rectangular frame; of a channel shaped strip secured around the inside edge of the frame, said stri having a supporting flange spaced from tie frame proper an against which the film is adapted to be seated; a plurality of film attaching blocks slidably mounted on the frame and between it and said flange; and means for adjusting the blocks toward and from the opening of the frame.

9. In a lm holder, the combination with an open frame; of a plurality of Wood lm attaching blocks mounted on said frame on the several sides thereof; and means for individually adjusting said blocks on the frame toward and from the opening.

10. In a film holder, the combination with an open frame; of a plurality of carriers mounted on said frame; means for individually adjusting the carriers toward and from the opening of the frame, said means providing also for relative angular movement between the carriers and the frame; and replaceable Wood film attaching blocks secured to the carriers.

1l. In a film holder for use on a photographic printing machine, the combination with an open frame; of register means on said frame adapted to cooperate with corresponding registering means of a related photographic printing apparatus; a plurality of blocks mounted on the frame to which the edges of the lm are adapted to be secured; and means for adjusting the blocks inwardly and outwardly with reference to the center of the frame.

In witness that I claim the foregoing I have hereunto subscribed my name this 30th day of September, 1930.

IVILLIAM C. HUEBNER. 

